"Thomas F. O'Connell" <tf@xxxxxxxxxxxxxx> writes: > A few days ago, we began seeing this error in our logs: > ERROR: could not read block [redacted] of relation [redacted]: Success > I've encountered "could not read block" errors in other databases in > the past, but have never witnessed the "Success" tag at the end. What > does that mean? What this means is a read past EOF --- that is, read() returned fewer bytes than requested (perhaps none at all) but did not signal an error. A potential ultimate cause is corrupt indexes that contain pointers leading past the end of the table. Which sounds a whole lot like the VACUUM bug fixed in 8.0.14 and other recent releases. > We're running 8.0.13 on FC3. Is there any reason not to suspect the > hardware at this point? I'd question your choice of platform --- FC3 went EOL quite some time ago. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster